eeg waves Flashcards
1
Q
up to 3 Hz
normal in slow wave sleep
babies and young children
A
Delta
2
Q
4-7 Hz
young children
A
Theta
3
Q
8-10 Hz
closing eyes- attenuate on opening eyes
A
Alpha
4
Q
coma pathology
A
Pathological Alpha
5
Q
12-13 Hz
active working
some antidepressants increase activity
A
Beta
6
Q
benzodiazepines
A
Pathological Beta
7
Q
3Hz bilateral symmetry spike and wave
A
Absence seizure
8
Q
focal slow wave activity
A
focal seizure
9
Q
periodic tri or bi-phasic sharp waves
A
CJD
10
Q
low voltage EEG
A
huntingtons
11
Q
generalised theta or delta wave activity
A
metabolic encephalopathy
12
Q
deep white matter changes on MRI
A
depression in the elderly
13
Q
impaired working memory in schizophrenia
A
DL PFC impaired activity on fMRI
14
Q
asymmetrical pattern
A
vascular dementia
15
Q
Brief bursts of slow waves during stage 2 NREM sleep
A
K complexes
